Progenitus Progenituss second ability isnt really that relevant to Commander since you can just return it to the command zone, but a 10/10 for 10 with protection from everything is nothing to sneeze at
Reanimator decks are looking to get a powerful creature into the graveyard quickly through discard or Entomb effects, then cast a spell to return it to the battlefield at a steep mana discount
Urzas Saga boosters and saw that little 0/1 with shroud, I knew that I wanted to build a deck around that card
It wont fit in every deck due to its color restrictions, but its incredible when you can include it
You dont even need to be running blue to play this
This complicated baton-toss maneuver isnt terribly useful within a game of Magic , but in equipment-heavy voltron decks (where you focus on beefing up one or a few of your creatures), Cloud is totally viable